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    "title": "Substack Leaderboard Scraper",
    "description": "Top Substack newsletters in each of the 33 categories as Substack ranks them, with author, paid subscriber band, displayed subscriber count and launch date. Read the overall or the paid list to any depth Substack shows, track rank moves daily and add each newsletter's latest posts on request.",
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            "title": "Categories",
            "type": "array",
            "description": "Substack category names, for example Technology, Business, Finance, Culture, U.S. Politics, Science, Health & Wellness, Crypto. Leave empty for all 33.",
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              "type": "string"
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          },
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            "title": "Ranking list",
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          },
          "maxPerCategory": {
            "title": "Newsletters per category",
            "minimum": 1,
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            "description": "From the top of the leaderboard down, 25 per page.",
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          },
          "includePosts": {
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            "minimum": 1,
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          "audience": {
            "title": "Audience",
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          },
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              "type": "string"
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          },
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